Leases (Details)	3 Months Ended
	Mar. 31, 2019	Sep. 30, 2019 ft²	Oct. 31, 2018 ft²	Apr. 30, 2016 ft²
Lessee, Lease, Description [Line Items]
Number of operating lease arrangements	2
Area of office space		10,716	3,250	61,784
Option to extend	true
Renewal term	5 years
Weighted-average discount rate	12.99%
Weighted-average remaining life	2 years 6 months
Maximum [Member]
Lessee, Lease, Description [Line Items]
Threshold period for giving notice of lease extension	18 months
Minimum [Member]
Lessee, Lease, Description [Line Items]
Threshold period for giving notice of lease extension	12 months